| Lake Francis Case | |
|---|---|
| Fort Randall Dam, with Lake Francis Case in the background | |
| Location | South Dakota |
| Lake type | reservoir |
| Primary inflows | Missouri River, White River |
| Primary outflows | Missouri River |
| Catchment area | 263,480 sq mi (682,400 km2)[1] |
| Basin countries | United States |
| Max. length | 107 mi (172 km)[1] |
| Surface area | 102,000 acres (41,000 ha)[1] |
| Max. depth | 140 ft (43 m)[1] |
| Water volume | 5,700,000 acre·ft (7.0 km3)[1] |
| Shore length1 | 540 mi (870 km)[1] |
| Surface elevation | 1,368 ft (417 m)[1] |
| 1 Shore length is not a well-defined measure. | |
Lake Francis Case is a large reservoir behind Fort Randall Dam on the Missouri River in south-central South Dakota, USA. The lake has an area of 102,000 acres (410 km2) and a maximum depth of 140 ft (43 m).[1] Lake Francis Case has a length of approximately 107 mi (172 km) and has a shoreline of 540 mi (870 km).[1] The reservoir is named for former South Dakota Senator Francis H. Case.[2]
Species of fish in the reservoir include walleye, northern pike, sauger, sunfish, yellow perch, common carp, black bullhead, channel catfish, and smallmouth bass.[3]
The South Dakota Department of Game, Fish and Parks maintains the North Point, Pease Creek, North Wheeler, Platte Creek, Snake Creek and Buryanek Recreation Areas along Lake Francis Case.[4][5]
Several major highways cross the reservoir. South Dakota Highway 44 crosses over the lake between rural Charles Mix County and Gregory County on the longest bridge in South Dakota,[6] and Interstate 90 crosses the reservoir between Chamberlain and Oacoma.
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